[llvm] [AArch64][SVE] Detect MOV (imm, pred, zeroing/merging) (PR #116032)

[Paul Walker via llvm-commits]

paulwalker-arm wrote:

> As for the unpredicated case, does it make sense to make that change here as well?

I recommend fixing it as a separate PR.

https://github.com/llvm/llvm-project/pull/116032